$\boldsymbol P$ VIOLATION ASYMMETRY

$\boldsymbol A_{P}({{\boldsymbol \Xi}_{{b}}}$), ${{\boldsymbol \Xi}_{{b}}^{-}}$ $−$ ${{\boldsymbol \Xi}_{{b}}^{+}}$ production asymmetry

INSPIRE search
$\mathit A_{P}({{\mathit \Xi}_{{b}}}$) = [$\sigma ({{\mathit \Xi}_{{b}}^{-}}$) $−$ $\sigma ({{\mathit \Xi}_{{b}}^{+}}$) ]/[$\sigma ({{\mathit \Xi}_{{b}}^{-}}$) + $\sigma ({{\mathit \Xi}_{{b}}^{+}}$)]
VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT
$\bf{ -2 \pm4}$ OUR AVERAGE
$1.1$ $\pm5.6$ $\pm1.9$ 1, 2
AAIJ
2019AB
LHCB ${{\mathit p}}{{\mathit p}}$ at 7 and 8 TeV
$-3.9$ $\pm4.9$ $\pm2.5$ 1, 2
AAIJ
2019AB
LHCB ${{\mathit p}}{{\mathit p}}$ at 13 TeV
1  Baryon kinematic range $p_T$ $<$ 20 GeV/c and 2 $<$ ${{\mathit \eta}}$ $<$ 6.
2  Measured using previous measurements of A$_{P}({{\mathit \Lambda}}_{b}$) in AAIJ 2017BF.
References:
AAIJ 2019AB
PR D99 052006 Measurement of the mass and production rate of $\Xi_b^-$ baryons